REMOVAL - TM-10-3930-644-14-P0269

TM 10-3930-644-14&P

contact point lock screw. After tightening lock

or protective rubber grommet. Remove retaining

screw, recheck point gap with .020" feeler

ring and remove breaker cam from shaft.

gauge.

4. Using a sharp or pointed Instrument, scribe a

light mark on shaft coupling and shaft prior to

NOTE

removing coupling. This will assist in proper

Contact gap should be .017" to .022"

alignment during reassembly.

with a maximum adjusted gap at

.020".

5. Grind head off coupling retainer ;in and remove

5. Install dust cover, rotor and distributor cap.

pin, coupling, and seal from shaft. Shaft and

weight support can now be removed from the

distributor housing.

6. Remove screws, washers, and weight base and

shaft from body.

7. Remove weight springs, weights and advance

cam from shaft.

E. INSPECTION

Clean all carts thoroughly and replace any damaged or

worn parts.

NOTE

Figure 5-1. Adjusting Contact Gap.

Do not attempt to clean distributor

cap, dust cover, rotor, condenser or

C. REMOVAL

housing

any

degreasing

compound, since this may damage

1. Remove the spark plug cables from the spark

parts.

plugs, and label each one as it is disconnected.

Remove the ignition coil cable from the ignition

1. Check centrifugal advance parts, weights,

coil cap.

springs and plate for evidence of wear or

damage.

2. Disconnect the primary lead at the coil terminal.

2. Replace dust cover seal i f hard, worn, or dirty.

NOTE

Distributor

can

removed

3. Replace point contact set if worn, burned or

overhauled and replaced without

badly pitted.

retiming engine if distributor is

returned to it's original position.

4. Check breaker lever rubbing block for excessive

Mark side of distributor, noting

wear.

position of rotor before removing

distributor from engine.

5. If

distributor

housing

bushing

requires

replacement, exercise care ,when replacing so

3. Remove nut and lockwasher from clamp stud

as not to scratch or scuff the inside or outside of

and carefully lift distributor out of cylinder head.

the bushing. Do not ream, scrape or file the

bushing.

D. DISASSEMBLY

See Figure 5-2.

6. Check condenser for leakage. If it cannot be

1. Unlock distributor cap retaining clips and remove

properly tested, then replace it with condenser of

distributor cap, rotor and dust seal.

same value.

2. Remove the contact points and condenser.

7. Check the distributor cap and rotor for cracks,

burning of contacts or carbon streaks.

3. Remove screws and carefully remove breaker

plate assembly from housing, taking care not to

F. REASSEMBLY

tear primary lead

During assembly of the distributor, make

3-99